SEPN: 210,000-Share Option Award to CEO Jeffrey Finer, $11.70 Exercise

Rhea-AI Filing Summary

Septerna, Inc. (SEPN) reported an equity award to Jeffrey Finer, who serves as Chief Executive Officer and a director. The filing shows a grant of a stock option to purchase 210,000 shares of common stock with an exercise price of $11.70 per share and an expiration date of 08/06/2035. The option vests in equal monthly installments equal to 1/48th of the shares, beginning with the monthly anniversary of August 1, 2025, subject to continuous service.

The reported position after the transaction is direct beneficial ownership of the 210,000 options. This disclosure documents a standard long‑term incentive award for the CEO with a multi‑year vesting schedule and a defined exercise price and expiration.

Positive

• Clear alignment with long-term incentives: the option vests over 48 months, encouraging retention and continuity.
• Transparent terms disclosed: exercise price ($11.70), number of options (210,000), and expiration (08/06/2035) are explicitly reported.

Negative

• Potential dilution: the grant covers 210,000 underlying shares which could dilute existing shareholders if exercised.
• Compensation cost: the option grant represents additional executive compensation that may have future accounting and cash tax implications when exercised.

Insights

Compensation Analyst

TL;DR: CEO received 210,000 stock options at $11.70 with 48-month monthly vesting; a typical long-term incentive and retention grant.

The award consists of a stock option covering 210,000 shares with an exercise price of $11.70 and an expiration on 08/06/2035. Vesting is specified as 1/48th per month beginning the monthly anniversary of August 1, 2025, subject to continuous service. From a compensation design perspective, monthly vesting over four years aligns pay with ongoing service and performance period expectations. The grant is recorded as direct beneficial ownership of the options in the filing.

Corporate Governance Expert

TL;DR: The grant is a routine CEO equity award with clear vesting and term; material only to the extent of dilution and governance oversight.

The Form 4 discloses a direct grant to the CEO of options for 210,000 underlying shares, exercise price $11.70, and expiration 08/06/2035. The explicit monthly vesting schedule (1/48th) and service condition are documented. This filing provides transparency on insider compensation and confirms the reporting person’s ongoing economic interest; it does not by itself indicate unusual governance practices or a change in control.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Finer Jeffrey

(Last) (First) (Middle)

C/O SEPTERNA, INC.

250 EAST GRAND AVENUE

(Street)

SOUTH SAN FRANCISCO CA 94080

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Septerna, Inc. [ SEPN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

3. Date of Earliest Transaction (Month/Day/Year)
08/07/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	$11.7	08/07/2025		A		210,000		(1)	08/06/2035	Common Stock	210,000	$0	210,000	D

Explanation of Responses:

1. 1/48th of the shares subject to such option shall vest and become exercisable in substantially equal monthly installments on each monthly anniversary of August 1, 2025, subject to the Reporting Person's continuous service to the Issuer on each such date.

	/s/ Ran Xiao, Attorney-in-Fact	08/11/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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FAQ

What transaction did Septerna (SEPN) report on the Form 4?

The Form 4 reports a grant of a stock option to CEO Jeffrey Finer to purchase 210,000 shares of common stock.

What is the exercise price and expiration for the options?

The options have an exercise price of $11.70 per share and an expiration date of 08/06/2035.

How and when do the options vest?

Vesting occurs in equal monthly installments of 1/48th of the optioned shares, beginning on the monthly anniversary of August 1, 2025, subject to continuous service.

What is Jeffrey Finer's relationship to Septerna listed in the filing?

The filing identifies Jeffrey Finer as both a Director and the Chief Executive Officer of Septerna, Inc.

How many options does the reporting person beneficially own after the transaction?

The Form 4 reports direct beneficial ownership of 210,000 options following the transaction.